WR1-EM includes the Wireless Reader and Receiver, it's 433MHz Rolling code communication between the reader and receiver, and the receiver can be connected to any 3rd party Wiegand.

> 433MHz Rolling Code technology
> Card type: 125KHz EM card 
> Programmable Wiegand output of the Receiver: 26 bits or 34 bits  
> Communication distance: 30m maximum
> Ultra low power consumption
> Waterproof, conforms to IP65